{"id":5113,"date":"2023-08-13T07:10:38","date_gmt":"2023-08-13T07:10:38","guid":{"rendered":"https:\/\/www.hangzhiprecision.com\/?page_id=5113"},"modified":"2024-11-05T07:05:09","modified_gmt":"2024-11-05T07:05:09","slug":"sensore-di-corrente-per-circuito-stampato-ad-alta-precisione","status":"publish","type":"page","link":"https:\/\/www.hangzhiprecision.com\/it\/products\/pcb-current-sensor-high-precision\/","title":{"rendered":"Sensori di corrente CAFR PCB - Misura CC\/AC ad alta precisione"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"5113\" class=\"elementor elementor-5113\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-51434ed elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"51434ed\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-717ab17\" data-id=\"717ab17\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-58670ef elementor-widget elementor-widget-heading\" data-id=\"58670ef\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Sensore di corrente PCB serie Hangzhi CAFR-A-NP<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-61506e9 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"61506e9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b7d9ad1 elementor-widget elementor-widget-text-editor\" data-id=\"b7d9ad1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>La serie CAFR-A-NP \u00e8 un sensore di corrente sviluppato da Hangzhi che pu\u00f2 essere saldato sulla scheda PCB. Si basa sulla <a href=\"https:\/\/ieeexplore.ieee.org\/document\/8601521\">tecnologia fluxgate<\/a> e pu\u00f2 realizzare la misurazione isolata della corrente continua e della corrente alternata.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-c129702\" data-id=\"c129702\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-87621fe elementor-widget elementor-widget-image\" data-id=\"87621fe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/www.hangzhiprecision.com\/wp-content\/uploads\/2023\/08\/CAFR-A-NP-1.png\" class=\"attachment-large size-large wp-image-5452\" alt=\"Sensore di corrente per PCB CAFR-A-NP\" srcset=\"https:\/\/www.hangzhiprecision.com\/wp-content\/uploads\/2023\/08\/CAFR-A-NP-1.png 600w, https:\/\/www.hangzhiprecision.com\/wp-content\/uploads\/2023\/08\/CAFR-A-NP-1-300x300.png 300w, https:\/\/www.hangzhiprecision.com\/wp-content\/uploads\/2023\/08\/CAFR-A-NP-1-150x150.png 150w, https:\/\/www.hangzhiprecision.com\/wp-content\/uploads\/2023\/08\/CAFR-A-NP-1-12x12.png 12w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9c6543a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9c6543a\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4fe49d2\" data-id=\"4fe49d2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-069c478 elementor-widget elementor-widget-heading\" data-id=\"069c478\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Applicazione del sensore di corrente con montaggio su PCB<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-397f776 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"397f776\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-3e78490 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3e78490\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-3461f95\" data-id=\"3461f95\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7904e38 elementor-widget elementor-widget-heading\" data-id=\"7904e38\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/www.hangzhiprecision.com\/it\/industries\/industria-ferroviaria\/\">Industria ferroviaria<\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5128eda elementor-widget elementor-widget-text-editor\" data-id=\"5128eda\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Al fine di ridurre l&#039;interruzione del servizio della locomotiva a causa di guasti alle apparecchiature e ridurre i costi nel ciclo di vita, \u00e8 molto importante eseguire la manutenzione preventiva sulle apparecchiature critiche della locomotiva (commutatori, porte schermate, sistemi di segnalamento, rotaie, ecc.). Il monitoraggio in linea pu\u00f2 intraprendere le azioni preventive necessarie prima che condizioni anomale portino a guasti.<br \/>Ad esempio, la corrente del motore di un commutatore pu\u00f2 essere monitorata tramite sensori. Se la corrente si discosta dal valore normale, significa che potrebbe esserci un guasto all&#039;apparecchiatura ed \u00e8 necessaria una manutenzione preventiva. Una manutenzione programmata rapidamente pu\u00f2 evitare interruzioni nel monitoraggio delle operazioni, portando a notevoli risparmi sui costi.<\/p><p>\u00a0<\/p><p>Applicazioni tipiche lungo la strada:<br \/>Monitoraggio del bersaglio orbitale<br \/>Cambia macchina<br \/>circuito di binario<br \/>porta schermata<br \/>Sottostazioni (interruttori automatici per trasformatori\u2026)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-b18a568\" data-id=\"b18a568\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fab9dd5 elementor-widget elementor-widget-heading\" data-id=\"fab9dd5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/www.hangzhiprecision.com\/it\/industries\/energia-rinnovabile\/\">Energia rinnovabile (Inverter solare)<\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d6fa393 elementor-widget elementor-widget-text-editor\" data-id=\"d6fa393\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Il controllo principale dell&#039;inverter solare \u00e8 generare corrente sinusoidale pura da fluire nella rete, che si ritiene fornisca energia di alta qualit\u00e0 alla rete. Pertanto, la soluzione di misurazione della corrente lato CA dovrebbe avere le seguenti caratteristiche:<br \/>\u2022 Misurazione ad alta precisione: inferiore a 1%<br \/>\u2022 Tempi di risposta rapidi: meno di 1us<br \/>\u2022 Bassa tensione e corrente di offset<br \/>\u2022 Buone prestazioni di deriva termica<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-eb02c8c\" data-id=\"eb02c8c\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e23c77d elementor-widget elementor-widget-heading\" data-id=\"e23c77d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Servoazionamento, ecc.<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5da5d2a elementor-widget elementor-widget-text-editor\" data-id=\"5da5d2a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Azionamenti ad alte prestazioni, nuovi inverter energetici (integrano un buon controllo della corrente continua nella rete), servoazionamenti (produzione di wafer o robot ad alta precisione e varie applicazioni a bassa deriva)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9c50533 elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9c50533\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3088831\" data-id=\"3088831\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-aad8417 elementor-widget elementor-widget-heading\" data-id=\"aad8417\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Catalogo dei prodotti<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c98aa19 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"c98aa19\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e44185f elementor-widget elementor-widget-shortcode\" data-id=\"e44185f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\n<table id=\"tablepress-ProductCAFR\" class=\"tablepress tablepress-id-ProductCAFR\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\"><strong>Numero di modello<\/strong><\/th><th class=\"column-2\"><strong>Campo di misura<\/strong><\/th><th class=\"column-3\"><strong>Precisione<\/strong><\/th><th class=\"column-4\"><strong>Linearit\u00e0<\/strong><\/th><th class=\"column-5\"><strong>Larghezza di banda (Hz)<\/strong><\/th><th class=\"column-6\"><strong>Alimentazione (V, \u00b115%)<\/strong><\/th><th class=\"column-7\"><strong>Scheda dati<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">CAFR-6<\/td><td class=\"column-2\">\u00b16A<\/td><td class=\"column-3\">\u00b10,8%<\/td><td class=\"column-4\">\u00b10,1%<\/td><td class=\"column-5\">300K<\/td><td class=\"column-6\">+5V<\/td><td class=\"column-7\"><a href=\"https:\/\/www.hangzhiprecision.com\/wp-content\/uploads\/2024\/08\/CSFR-A-NP-Series-Datasheet_20210910.pdf\" rel=\"noopener\" target=\"_blank\">Catalogo sensori di corrente CAFR<\/a><\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">CAFR-15<\/td><td class=\"column-2\">\u00b115A<\/td><td class=\"column-3\">\u00b10,8%<\/td><td class=\"column-4\">\u00b10,1%<\/td><td class=\"column-5\">300K<\/td><td class=\"column-6\">+5V<\/td><td class=\"column-7\"><a href=\"https:\/\/www.hangzhiprecision.com\/wp-content\/uploads\/2024\/08\/CSFR-A-NP-Series-Datasheet_20210910.pdf\" rel=\"noopener\" target=\"_blank\">Catalogo sensori di corrente CAFR<\/a><\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">CAFR-25<\/td><td class=\"column-2\">\u00b125A<\/td><td class=\"column-3\">\u00b10,8%<\/td><td class=\"column-4\">\u00b10,1%<\/td><td class=\"column-5\">300K<\/td><td class=\"column-6\">+5V<\/td><td class=\"column-7\"><a href=\"https:\/\/www.hangzhiprecision.com\/wp-content\/uploads\/2024\/08\/CSFR-A-NP-Series-Datasheet_20210910.pdf\" rel=\"noopener\" target=\"_blank\">Catalogo sensori di corrente CAFR<\/a><\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">CAFR-50<\/td><td class=\"column-2\">\u00b150A<\/td><td class=\"column-3\">\u00b10,8%<\/td><td class=\"column-4\">\u00b10,1%<\/td><td class=\"column-5\">300K<\/td><td class=\"column-6\">+5V<\/td><td class=\"column-7\"><a href=\"https:\/\/www.hangzhiprecision.com\/wp-content\/uploads\/2024\/08\/CSFR-A-NP-Series-Datasheet_20210910.pdf\" rel=\"noopener\" target=\"_blank\">Catalogo sensori di corrente CAFR<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-ProductCAFR from cache --><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-655f440e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"655f440e\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6693c964\" data-id=\"6693c964\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3332cef2 elementor-widget elementor-widget-heading\" data-id=\"3332cef2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Mettiti in contatto con i nostri esperti<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-611a985b elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"611a985b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5cda7966 elementor-widget elementor-widget-shortcode\" data-id=\"5cda7966\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\t\t<div data-elementor-type=\"section\" data-elementor-id=\"8223\" class=\"elementor elementor-8223\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6538c7ed elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6538c7ed\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7c75eba2\" data-id=\"7c75eba2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-63f8b87 elementor-widget elementor-widget-text-editor\" data-id=\"63f8b87\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tContattateci direttamente via e-mail <a href=\"mailto:info@hangzhiprecision.com\"><strong>info@hangzhiprecision.com<\/strong><\/a> oppure compilate il modulo sottostante. 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CAFR-A-NP series is a PCB mount current sensor developed by Hangzhi. It is based on the fluxgate technology and can realize the isolated measurement of DC current and AC current. This sensor is ideal for applications in the rail industry, renewable energy (solar inverter), servo drives, and high-performance drives. 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It is based on the fluxgate technology and can realize the isolated measurement of DC current and AC current. Application of PCB mount current sensor Rail Industry In order to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5452,"parent":886,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","site-content-style":"unboxed","site-sidebar-style":"unboxed","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[22,21],"tags":[],"class_list":["post-5113","page","type-page","status-publish","has-post-thumbnail","hentry","category-current-transducers","category-hangzhi-products"],"aioseo_notices":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.2 (Yoast SEO v27.5) - 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